ducks unlimited certification review assessment 1 & 2 Questions and Answers 2024

Nutrient flow is the natural process which provides for the cycling of chemicals between biotic and abiotic factors including water, oxygen, carbon, nitrogen and phosphorus. - True A volcano has erupted and has now cooled off to leave bare rock. Over time, lichens have colonized on the rock, breaking it down and creating soil. Soil allowed grasses and flowering plants to grow. In this example, which of these was most likely the pioneer species? - Lichens Samantha is developing a management plan for an area suffering a significant reduction of grasses and plants which directly affects the viability of an endangered species. Her plan involves an increase of primary producers to support long-term ecological balance and to eliminate the requirement of human influence. Which of the following best represents this management plan? - Sustainability Select all of the levels of taxonomy which represent the scientific name of a species. - genus species Grasslands are dominated by grasses and several species of forbs. Which of the following best describes a forb? - Broadleaf plants and lower shrub vegetation What is desertification? - Grasslands which undergo drought or demineralization and turn into a desert landscape Which of the following United States departments was the first to be established? - Department of Agriculture's Division of Economic Ornithology and Mammalogy Which of the following is true regarding the ability for grasslands to sequester carbon from the atmosphere? - Grasslands recover quickly from drought or fire, allowing them to return to carbon sequestering far earlier than other biomes